Xiaomi Amazfit Stratos 2S vs Xiaomi Mi A2 (128GB)

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Side by side comparison between Xiaomi Amazfit Stratos 2S vs Xiaomi Mi A2 devices, differences, pros, cons and full specifications. What's the better?

8/4/2019 10:21 PM, updated: 11/25/2021 1:37 AM

Compare Xiaomi Mi A2 X Xiaomi Amazfit Stratos 2S 06Points

Specifications Compare Models Pictures

1.34"
TFT

320x300

N/A

512MB
RAM

Dual-core

290
mAh

(Non removable)

25Points Xiaomi Mi A2 (128GB) Compare Xiaomi Amazfit Stratos 2S X

Specifications Compare Models Pictures

5.99"
IPS

1080x2160

12
MP

20mp

6GB
RAM

Octa-core

3000
mAh

(Non removable)

What's the better device? Xiaomi Mi A2 (128GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

6 Advantages Xiaomi Amazfit Stratos 2S	vs	25 Advantages Xiaomi Mi A2 (128GB)
+68 grams (2.38 ounces)144% Lighter	vs	166 grams (5.81 ounces)
+Plastic body with ceramic and stainless steel, glass frontAdvantage More resistant material	vs	Aluminum body, glass front
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+Heart rateAdvantage Sensors help you use the device	vs	Not supported
+PedometerAdvantage Sensors help you use the device	vs	Not supported
+5 ATMAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
1.2GHz 32bit Dual-core	vs	+2.2GHz 64bit Octa-core (14nm)4 times More powerful processor, you can open your applications faster
512MB LPDDR2	vs	+6GB LPDDR4X11 times More RAM memory. Typically more responsive and better for multitasking.
4GB (2GB available)	vs	+128GB (111GB available)55 times More internal storage for applications and files
eMCP	vs	+eMMC 5.1Advantage Fastest write and read storage.
15 millimeters (0.59 inches)	vs	+7.3 millimeters (0.29 inches)105% Thinner
TFT LCD	vs	+LTPS IPS LCDAdvantage LTPS IPS LCD display is brighter and more vivid
260 thousand	vs	+16 million61 times More colors on the screen is better quality images and videos
320x300 pixels	vs	+1080x2160 pixels23 times Higher resolution screen
327 PPI	vs	+403 PPI23% Crisper display of text, images and videos because it has more pixels per inch (ppi)
1.34"	vs	+5.99"3 times Larger screen
Not supported	vs	+(dual camera) 12MP + 20MPAdvantage With a camera you can take pictures anywhere
Not supported	vs	+4K UHD (3840x2160)Advantage More image quality for recording videos with the primary camera
10 apps	vs	+3500000 apps (Google Play Store)349999 times More apps available to download and use
Not supported	vs	+4G LTE-AAdvantage The 4G LTE-A network is newer and faster
(Not supported)	vs	+(4G LTE-A) 600 MbpsAdvantage Faster for surfing the internet and download files
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device
Not supported	vs	+Proximity sensorAdvantage Sensors help you use the device
290 mAh	vs	+3000 mAh9 times Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+2 slots (Dual-SIM)Advantage You can have more mobile carriers/operators on the same device.
Not supported	vs	+Type-C jack with 3.5mm jack adapterAdvantage Best output for headset
802.11 b/g [wifi3]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
4.0 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supported	vs	+HTML, XHTML, HTML5Advantage Better sites viewing on the internet

10 Common items in both devices

Capacitive

Multitouch

Accelerometer

Ambient light sensor

Compass

Gyroscope

LiPo: li-ion polymer (Non removable)

+3 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences

📱 Model features
	Amazfit Stratos 2S	Xiaomi Mi A2 (128GB)
Change model		Choose the model
Model	Amazfit Stratos 2S	Xiaomi Mi A2 (128GB)
Other model names	Xiaomi Huami Amazfit 2 Stratos A1619, Amazfit Pace 2	Xiaomi Mi A2 M1804D2SG (128GB + 6GB RAM), 小米6X, Xiaomi Wayne
Country or region available	(Europe)	(Global, International), India
Brand	Xiaomi	Xiaomi
Release date	12/12/2017	7/27/2018, Announced: 7/24/2018
Depth	15 millimeters (0.59 inches)	7.3 millimeters (0.29 inches)
Size (width x height)	25.4 x 51 millimeters (1 x 2.01 in)	75.4 x 158.7 millimeters (2.97 x 6.25 in)
Weight	68 grams (2.38 ounces)	166 grams (5.81 ounces)
Build, materials	Plastic body with ceramic and stainless steel, glass front	Aluminum body, glass front
Protection against water and others	5 ATM: 50 meters waterproof	Not supported
📲 Display
	Amazfit Stratos 2S	Xiaomi Mi A2 (128GB)
Display type	TFT LCD	LTPS IPS LCD
Screen size	1.34" inches	5.99" inches
Screen-to-body ratio	~44.6% (screen-to-body ratio)	~77.4% (screen-to-body ratio)
Display resolution	320x300 pixels	1080x2160 pixels (19:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	327 PPI	403 PPI
Colors	260 thousand	16 million
Scratch-resistant glass	Sapphire Glass	Gorilla Glass 5
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Not supported
🤖 Operating System
	Amazfit Stratos 2S	Xiaomi Mi A2 (128GB)
System version	Proprietary OS	Android 8.1 Oreo
Firmware update	feature not registered	Android 10
User Interface	feature not registered	feature not registered
⚙️ Processor
	Amazfit Stratos 2S	Xiaomi Mi A2 (128GB)
Chipset	32bit: Ingenic M200S	64bit: Qualcomm Snapdragon 660 (SDM660) (14nm)
CPU	Dual-core, 2 processors: 1x 1.2GHz XBurst-HP (Single-core) 1x 300MHz XBurst-LP (Single-core)	Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core)
GPU graphical controller	3D GPU	Qualcomm Adreno 512 (650MHz)
Performance (benchmark)	feature not registered	AnTuTu: 130927 (v7), 172886 (v8) Geekbench: 4625 (v4.4), 1157 (v5.1) GFXBench: 8.6fps (ES 3.1 onscreen)
💽 Memory and storage
	Amazfit Stratos 2S	Xiaomi Mi A2 (128GB)
RAM memory	512MB LPDDR2	6GB LPDDR4X
Internal storage	4GB (2GB available) eMCP	128GB (111GB available) eMMC 5.1
External storage	Not supported	Not supported
📶 Mobile networks
	Amazfit Stratos 2S	Xiaomi Mi A2 (128GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card
SIM card	Not supported	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	feature not registered	600/150 Mbps
Network technology	feature not registered	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Not supported	Quad-Band 850/900/1800/1900
Primary 2G network	Not supported	GSM 850/900/1800/1900
Primary 3G network	Not supported	Global version: UMTS 850/900/1700/1900/2100 India version: UMTS 850/900/1900/2100
Primary 4G network	Not supported	LTE Cat12 VoLTE Global version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (Bands 38, 40) India version: LTE (Bands 1, 3, 5) TD-LTE (Bands 40, 41)
Primary 5G network	Not supported	Not supported
Primary data network	Not supported	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE
📷 Camera
	Amazfit Stratos 2S	Xiaomi Mi A2 (128GB)
Back camera (main camera)	Not supported	(dual camera) 12 megapixels 20MP f/1.81/2.8"1.0µm
Main camera resolution	Not supported	4000x3000 pixels
Video recording (primary)	Not supported	4K UHD (3840x2160) 30 fps
Flash	Not supported	Dual-LED on main camera and LED on front camera
Focal aperture	feature not registered	f/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/2.9" inches
Pixel size	feature not registered	1.25µm pixel
Autofocus	Not supported	PDAF: phase detection autofocus
Touch focus	Not supported	Supported
Image stabilization	Not supported	EIS: Digital stabilization
Zoom	Not supported	Only digital zoom
Face/smile detection	Not supported	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	Not supported	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Amazfit Stratos 2S	Xiaomi Mi A2 (128GB)
Front camera (secondary)	Not supported	20 megapixels
Front camera resolution	Not supported	5164x3872 pixels
Video recording (secondary)	Not supported	Full HD (1920x1080)
Front flash	Not supported	LED
Focal aperture	feature not registered	f/2.2 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/2.8" inches
Pixel size	feature not registered	1µm pixel
🔉 Sound and multimedia
	Amazfit Stratos 2S	Xiaomi Mi A2 (128GB)
Loudspeaker	Supported	Supported
Active noise cancellation	Not supported	2 microphones or more
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	feature not registered	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, eAAC+	MP3, OGG, eAAC+, FLAC
🔌 Connectivity
	Amazfit Stratos 2S	Xiaomi Mi A2 (128GB)
USB	MicroUSB 2.0	USB 2.0 Type-C reversible connector
Audio output	Not supported	Type-C jack with 3.5mm jack adapter
TV output	Not supported	Not supported
Bluetooth	4.0 + A2DP	5.0 + A2DP/LE
WiFi	802.11 b/g [wifi3] (2.4GHz)	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Supported
🧭 Sensors
	Amazfit Stratos 2S	Xiaomi Mi A2 (128GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Gyroscope Heart rate Pedometer	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Amazfit Stratos 2S	Xiaomi Mi A2 (128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	290 mAh	3000 mAh
Charger, watts	Wired charging	18W Wired fast charging Quick Charge 4
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	30 hours (1.3 days)	feature not registered
Standby	120 hours (5 days)	feature not registered
➕ Other features
	Amazfit Stratos 2S	Xiaomi Mi A2 (128GB)
Call control	Not supported	Voice dialing, Voice recorder
Messaging	SMS (T9), E-mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Not supported	Supported
Ringtones	feature not registered	Polyphonic and customized
Web browser	Not supported	HTML, XHTML, HTML5
Antenna	feature not registered	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black • Leather watch band • 22mm standard watch band • 2.5D glass display • Dock charger included • Always-on display • Languages: Chinese, English, Spanish • Mi Fit app compatible • Compatible with Android 4.4, iOS 9 and above	• Colors: Black, Gold, Blue, Red, Rose Gold • Android One • Back camera sensor: Sony IMX486/IMX376 • Front camera sensor: Sony IMX376 • WiFi display
☢️ Radiation rate
	Amazfit Stratos 2S	Xiaomi Mi A2 (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.96W/kg (head), 0.64W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	1.16W/kg (head), 0.66W/kg (body)